The Kolkata Police Force (KPF) is one of the six presidency police forces of the Indian state of West Bengal. Kolkata Police has the task of policing the metropolitan area (apart from Bidhannagar and New Town, which are served by the Bidhannagar City Police, the area in Howrah City is managed by Howrah City Police and the area in Hooghly City is managed by Chandannagar Police Commissionerate) of Kolkata (formerly Calcutta), India, as defined under the Calcutta Police Act, 1866 and the Calcutta Suburban Police Act, 1866. The primary functions of the forces are maintaining law and order in the city, traffic management, prevention and detection of crime and co-ordinating various citizen-centric services for the people of Kolkata. As of 2018[update], Kolkata Police has eight divisions covering 79 police stations. It has a strength of approximately 35,000 and a territorial jurisdiction of c. 243 km2 (94 sq mi). There are eight battalions of armed forces as well as specialised branches. The force also uses various modern technologies for effective handling of unconventional crimes, terrorism and related activities.